title: Reply to Da Col.
authors.affiliation: Department of Cardiac Surgery, 'Dedinje' Cardiovascular Institute, Belgrade, Serbia.
authors.forename: Dusko
authors.initials: D
authors.lastname: Nezic
authors.forename: Sasa
authors.initials: S
authors.lastname: Borovic
authors.forename: Miomir
authors.initials: M
authors.lastname: Jovic
mesh_terms: D002114:Calcinosis / Q000601:surgery*; D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*
keywords: Calcified mitral annulus; Replacement techniques; Valve